Title: Rosewill RSV-L4500U (Black) — 4U Rackmount Server Chassis
 
Short Excerpt: Heavy-duty 4U steel chassis with massive 15-bay storage capacity, 8 pre-installed fans (6×120 mm + 2×80 mm), 7 PCI slots, and E-ATX motherboard support—built for NAS, homelab, and enterprise-grade expansion.
 
Overview:
This sturdy 4U rackmount server chassis is ready to house your epic data empire. With room for up to 15× 3.5" HDDs and 8 pre-installed fans (6×120 mm front/middle, 2×80 mm rear), it keeps airflow strong and components cool even under sustained load. You get seamless expansion via 7 PCI slots, broad E-ATX/ATX/mATX/mini-ITX motherboard support, and a front panel lock to keep your digital treasures both accessible and safe. A pair of front USB 3.0 ports streamlines maintenance and setup, while the SGCC steel frame delivers long-term durability for racks, closets, and datacenters.
 
Key Features:
• 4U rackmount chassis, EIA-310 compliant (standard 19″ racks)
• Massive storage: up to 15× 3.5" internal bays (supports common hot-swap cage upgrades in 5.25″ slots)
• Cooling, pre-installed: 8 fans total — 3×120 mm front, 3×120 mm middle, 2×80 mm rear
• Broad motherboard support: E-ATX / ATX / Micro-ATX / Mini-ITX
• 7 full-height PCI slots for GPUs, HBAs, RAID cards, and NICs
• Front I/O: 2× USB 3.0, power/reset switches, status LEDs
• Security: front panel lock & key
• Standard ATX (PS/2) PSU support; mini-redundant compatible in many setups
• Robust build: SGCC steel chassis with tool-friendly interior
 
Specifications:
• Chassis Type: 4U Rackmount
• Drive Bays: 15× internal 3.5" HDD bays
• Motherboard Support: E-ATX, ATX, Micro ATX, Mini ITX
• Expansion Slots: 7 PCI slots
• Cooling System (pre-installed): 6× 120 mm (front/middle), 2× 80 mm (rear)
• Front Ports: 2× USB 3.0
• Security Features: Front panel lock and key
• Material: SGCC steel
• Maximum GPU Length: 15.75″ (400 mm) without middle fan; ~12.6″ (320 mm) with middle fan
• Maximum CPU Cooler Height: 6.0″ (152 mm) without GPU holder; ~4.6″ (117 mm) with GPU holder
• Typical Dimensions (H×W×D): ~7.0″ × 19″ × 25.0″ (4U × 19″ rack × ~25″ depth)
• Color: Black
 
What’s in the Box:
• RSV-L4500U 4U chassis (black)
• Pre-installed fans (6×120 mm, 2×80 mm)
• Drive cages and mounting hardware
• Front I/O harness (USB 3.0, switches, LEDs)
• Keys for front lock, screws, standoffs, quick-start guide
 
Build Notes (Pro Tips):
• For multi-GPU or HBA-heavy builds, maintain a front-to-back airflow path; use high static-pressure 120 mm fans on the front/mid walls.
• If you need more than 15 drives, add 3× 5.25″-to-5× 3.5″ hot-swap cages for flexible expansion.
• Verify cooler height and GPU length if keeping the middle fan wall installed.
 
Options / Upgrades:
• 5.25″ hot-swap cages (SATA/SAS), dust filters, cable-management kits
• High-pressure PWM fans for denser thermal loads
• Redundant or high-wattage ATX PSUs for multi-GPU / high-drive builds
 
Warranty: 1-year limited (manufacturer)
 
Lead Time: In stock. Ships within 1–3 business days (subject to inventory).
SKU: HCT-RSV-L4500U-BK